<template>

  <div class="department-container">
    <div class="app-container">
      <el-card>
        <!-- 具体页面结构 -->
        权限管理
        <div class="app-container">
          <upload-excel-component :on-success="handleSuccess" :before-upload="beforeUpload" />
          <el-table :data="tableData" border highlight-current-row style="width: 100%;margin-top:20px;">
            <el-table-column v-for="item of tableHeader" :key="item" :prop="item" :label="item" />
          </el-table>
        </div>
      </el-card>
    </div>
  </div>

</template>
<script>
import UploadExcelComponent from '@/components/UploadExcel/index.vue'
import { formatExcelDate } from '@/utils/index.js'
import { importEmployee } from '@/api/employees.js'

export default {
  name: 'UploadExcel',
  components: { UploadExcelComponent },
  data() {
    return {
      tableData: [],
      tableHeader: []
    }
  },
  methods: {
    beforeUpload(file) {
      const isLt1M = file.size / 1024 / 1024 < 1

      if (isLt1M) {
        return true
      }

      this.$message({
        message: 'Please do not upload files larger than 1m in size.',
        type: 'warning'
      })
      return false
    },
    handleSuccess({ results, header }) {
      this.tableData = results
      this.tableHeader = header
      console.log('结果是', results, header)
      const data = this.transExcel(results)
      console.log(data)
      this.doImport(data)
    },
    transExcel(results) {
      const mapInfo = {
        '入职日期': 'timeOfEntry',
        '手机号': 'mobile',
        '姓名': 'username',
        '转正日期': 'correctionTime',
        '工号': 'workNumber',
        '部门': 'departmentName',
        '聘用形式': 'formOfEmployment'
      }
      return results.map(zhObj => {
        const enObj = {}
        const zhKeys = Object.keys(zhObj) // ['姓名', '手机号']

        zhKeys.forEach(zhKey => {
          const enKey = mapInfo[zhKey]
          if (enKey === 'timeOfEntry' || enKey === 'correctionTime') {
            // 后端需要的日期格式是标准时间
            enObj[enKey] = new Date(formatExcelDate(zhObj[zhKey]))
          } else {
            enObj[enKey] = zhObj[zhKey]
          }
        })

        return enObj
      })
    },
    async doImport(data) {
      try {
        const res = await importEmployee(data)
        console.log(res)
        this.$message.success('导入成功')
        // this.$router.back()
      } catch (err) {
        this.$message.error('失败')
      }
    }
  }
}
</script>

<style>

</style>
